add static IP config

Author: ryosukeeeeee

docs/advanced/troubleshooting.md

@@ -10,6 +10,44 @@
 - 在分区时，需要额外分出一个 2M 大小的 BIOS boot 模式的分区，此分区无需进行格式化与挂载。
 - 在安装引导程序时，对应的命令修改为: `grub-install --target=i386-pc /dev/vda` 以及 `grub-mkconfig -o /boot/grub/grub.cfg`。其中，第一条命令中的`/dev/vda`为安装 GRUB 的磁盘，而非分区。具体的名字根据安装者的实际情况进行更改。
 
+### 静态 IP 设置
+
+虽然使用可以自动获取 ip 地址的工具可以覆盖绝大多数场景，但是仍有部分特殊场景，如校园网，VPS 等环境下需要进行静态 IP 的设置。本小节给出一个简略的设置静态 IP 的方式。如需要设置静态 IP,需要首先禁用 dhcpcd 或 NetworkManager 等自动获取 ip 的工具。
+
+```bash
+sudo systemctl stop dhcpcd NetworkManager
+sudo systemctl disable dhcpcd NetworkManager
+```
+
+接下来启用 systemd-networkd
+
+```bash
+sudo systemctl enable --now systemd-networkd
+```
+
+使用`ip ad`命令查看当前网卡的名字，如这里使用名字 ens3。随后创建配置文件`/etc/systemd/network/10-static-ens3.network`。接下来在其中填入内容。其中的 ip 地址和网关需要从你的网络提供商处获取。其中的 DNS 设置同样需要在`/etc/resolv.conf`中按照前文中的方式进行设置。
+
+```conf
+[Match]
+Name=ens3
+
+[Network]
+Address=YOUR_IPV4_ADDRESS/MASK
+Gateway=YOUR_IPV4_GATEWAY
+DNS=8.8.8.8
+
+[Network]
+Address=YOUR_IPV6_ADDRESS/MASK
+Gateway=YOUR_IPV6_GATEWAY
+DNS=2001:4860:4860::8888
+```
+
+最后，重启服务即可。
+
+```bash
+sudo systemctl restart systemd-networkd
+```
+
 ### 鼠标出现按键不灵敏或失灵的现象
 
 一般来说大多数鼠标都是即插即用的，但 5.14 内核前后更新后可能遇到失灵的情况。根据自身鼠标品牌安装对应的驱动即可解决。[[1]](https://openrazer.github.io/#arch)

docs/uk/advanced/troubleshooting.md

@@ -10,6 +10,44 @@ Although there are fewer and fewer installation scenarios using traditional BIOS
 - When partitioning, you need to separate a 2M BIOS boot mode partition, this partition does not need to be formatted and mounted.
 - When installing the bootloader, the corresponding commands are modified to: `grub-install --target=i386-pc /dev/vda` and `grub-mkconfig -o /boot/grub/grub.cfg`. Among them, `/dev/vda` in the first command is the disk where GRUB is installed, not a partition. The specific name is changed according to the actual situation of the installer.
 
+### Static IP Settings
+
+Although the use of tools that can automatically obtain IP addresses can cover most scenarios, there are still some special scenarios, such as campus networks, VPS and other environments that require static IP settings. This section gives a brief way to set a static IP. If you need to set a static IP, you need to disable the tools that automatically obtain IP such as dhcpcd or NetworkManager.
+
+```bash
+sudo systemctl stop dhcpcd NetworkManager
+sudo systemctl disable dhcpcd NetworkManager
+```
+
+Next enable systemd-networkd
+
+```bash
+sudo systemctl enable --now systemd-networkd
+```
+
+Use the `ip ad` command to view the name of the current network card, for example, the name ens3 is used here. Then create the configuration file `/etc/systemd/network/10-static-ens3.network`. Then fill in the content in it. The ip address and gateway need to be obtained from your network provider. The DNS settings also need to be set in `/etc/resolv.conf` in the same way as above.
+
+```conf
+[Match]
+Name=ens3
+
+[Network]
+Address=YOUR_IPV4_ADDRESS/MASK
+Gateway=YOUR_IPV4_GATEWAY
+DNS=8.8.8.8
+
+[Network]
+Address=YOUR_IPV6_ADDRESS/MASK
+Gateway=YOUR_IPV6_GATEWAY
+DNS=2001:4860:4860::8888
+```
+
+Finally, restart the service.
+
+```bash
+sudo systemctl restart systemd-networkd
+```
+
 ### The mouse button is insensitive or malfunctioning
 
 Generally speaking, most mice are plug and play, but may experience failure after the 5.14 kernel update. It can be solved by installing the corresponding driver according to your own mouse brand. [[1]](https://openrazer.github.io/#arch)